Using -Oline -j 96 W=1 redirect to /tmp/tmp.qc6uW8Oh0A and /tmp/tmp.uIPuXgtOfg
LLVM=1 cc="ccache clang"
clang version 21.1.5 (Fedora 21.1.5-1.fc43)
Tree base:
a14602fcae17 ("veth: reduce XDP no_direct return section to fix race")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/realtek/r8169_main.o
  LD [M]  drivers/net/ethernet/realtek/r8169.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sched.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sge.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#46)
  CC [M]  drivers/net/ethernet/realtek/r8169.mod.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.mod.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko
  LD [M]  drivers/net/ethernet/realtek/r8169.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sge.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sched.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#46)
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.mod.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sge.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sched.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#46)
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.mod.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko